http://www.bbc.com/news/world-africa-40900480


Nigeria failed to win a medal at this month's World Athletics Championships - meaning Africa's most populous nation has come home empty-handed from eight of the last nine tournaments.
Some athletes, like Tosin Oke, feel the lack of medals reflects a lack of support from the Athletics Federation of Nigeria (AFN).
The triple jumper alleges discrimination and the holding back of training funds from the AFN.
He also feels let down by the IAAF, after complaining to athletics' governing body about his concerns.